<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="https://unpkg.com/vue@next"></script>
    <style>
        body{
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 40px;
        }
        .button{
            background: #9b05ff;
            transition: background 0.25s ease-in;
            border-radius: 4px;
            display: inline-block;
            border: none;
            padding: 0.75rem 1rem;
            margin: 0;
            color: #ffffff;
            font-family: sans-serif;
            font-size: 1rem;
            cursor: pointer;
            text-align: center;
            -webkit-appearance: none;
            -moz-appearance: none;
        }
        button:hover,
        button:focus {
            transition: background 0.3s ease-out;
            background: #3eaf7c;
        }

        button:focus {
            outline: 1px solid #fff;
            outline-offset: -4px;
        }
    </style>
</head>
<body>
    <div id="app">
        <button class="button">{{message}}</button>
    </div>

    <script>
        const AppComp={
            data() {
                return {
                    message: 'Hover Me!'
                }
            },
        }

        const app = Vue.createApp(AppComp)
        const vm = app.mount("#app")
    </script>
</body>
</html>